pterodon

Category archives for pterodon

This is exhibit is right up our alley. For the next few months, the Pittsburgh Museum of Natural History is displaying strange prehistoric critters as part of its “Bizarre Beasts” series. Descriptions provided by the Museum.Helicoprion A coil of teeth caps the lower jaw of a sculpture of a 13-foot (4-meter) whorl-tooth shark, or Helicoprion,…